Sterols and triterpene from Trichosanthes kirilowii

Bui Hoang Vinh, Pham Thi Trang Tho, Bui Huu Tai, Hoang Le Tuan Anh, Trinh Nam Trung, Hoang Viet Dung, Ninh Khac Ban, Chau Van Minh, Phan Van Kiem, Nguyen Xuan Nhiem

Abstract


By various chromatographic methods, two sterols and one triterpene, 22E,24Z-stigmasta-7,22,24(28)-triene-3β-ol, ergosta-6,22-diene-3β,5α,8α-triol, and 3β-hydroxymultiflora-8-ene-17-oic acid were isolated from the roots of Trichosanthes kirilowii MAXIM. Their structures were elucidated by spectroscopic methods and in comparison with the reported data. To our best knowledge, compound 1 was isolated from the nature for the first time. Compounds 2 and 3 were reported from Trichosanthes genus for the first time.


Keywords


Trichosanthes kirilowii, Cucurbitaceae, triterpene

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